%I #9 Mar 30 2012 18:39:51
%S 2,25,43,1523,1833,1016,105511,39366,19872,163433,576843397,335121400,
%T 338128753,173216346,792656991
%N Past of komet 'k2' (A038807).
%H Lars Blomberg & Hans Havermann, <a href="https://spreadsheets.google.com/ccc?key=0Ars3II3ElHF_dHN4aVhseV90WDJSSTlJQXJQVzl5cGc&hl=en">komets & planits (250 kometary path fragments)</a>
%H Hans Havermann, <a href="http://chesswanks.com/txt/ARecreationalEndeavour.txt">A Recreational Endeavour</a>
%F a(0) = 2; a(n) = a(n-1)-th term in Kimberling's sequence A006852.
%Y Cf. A038807, A006852, A007063, A035486.
%K nonn,nice
%O 0,1
%A _Hans Havermann_